
/**
 *@file hello.cpp
 *@author zhanglingfan 3190104913  <1797098277@qq.com>
 *@date 2021.09.21
 *@
 *
 */

#include <iostream>
/*
 *main function.
 *@param argc number of shell parameters.
 *@param argv string for all parameters.
 *
 *@return system signals.
 */

int main(int argc,char *argv[])
{
  ///Just a demo.
  std::cout<<"Hello World!"<<std::endl;
  return 0;
};
